A glass of ice water is left out on a lab table over night. What is the best approximation for the temperature of the water the next morning?

A) 0 degrees Celsius because that is the melting point of ice.
B) 4 degrees Celsius because that is where water is most dense.
Eliminate
C) 20 degrees Celsius because that is approximately room temperature.
D) 100 degrees Celsius because that is approximately room temperature.